what is dol starter

Answer Posted / pillay

DOL starter means a Direct On Line starter, where the AC
supply is directly applied across the motor terminals
whenever it is used unlike some bigger motors where the
power supply goes through a starting system to enable a
smoother start or a reduced current start.Some examples are
star delta ,auto transformer starter ,rotor resistance
starter, soft starter etc.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to improve fuel cell in a distribution system?

1519


How may I enrol or get admission to your program?

1469


What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1568


what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

1655


In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1250






how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

2883


CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

5071


PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

2346


In the magnetic fluxes, what is the role of armature reaction?

689


why use phase displacement in transformer.and effect of phase displacement on transformer

2323


why only exciting current is shown not primary current in transformer???

1391


Why efficiency of generator is higher than motor at a particular load?

1623


Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

1670


Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

1474


How does a television work?

1796